Hi Michael,
Thank you for your interest in Syncfusion products.
We have only limited support for docx reading/Writing. Please have a look into the Documentation for the features supported and not supported in Docx.
Writing support features:
http://www2.syncfusion.com/ug_63/docio/Lesson17DocxConverting.html Reading support features:
http://www2.syncfusion.com/ug_63/docio/Lesson18DocxReading.html Online documentation link for DocIO
http://www2.syncfusion.com/ug_63/docio/default.html Currently we are involved in improving the Docx reading and writing support.
Please let me know if you need any further assistance.
Regards,
Bhuvana